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a Received any illicit drug treatment at a specialty facility refers to treatment received at a hospital (inpatient), a rehabilitation facility (inpatient or outpatient), or mental health center in order to reduce or stop drug use, or for medical problems associated with drug use.Respondents were classified as needing treatment for an illicit drug problem if they met at least 1 of 3 criteria during the past year: (1) dependent on any illicit drug; (2) abuse of any illicit drug; or (3) received treatment for an illicit drug problem at a specialty facility (i.e., drug and alcohol rehabilitation facilities, hospitals, and mental health centers). Illicit drugs include marijuana/hashish, cocaine (including crack), inhalants, hallucinogens, heroin, or prescription-type psychotherapeutic (nonmedical use).

b Estimates by family income are only available for persons age 18 or older.Negative/poor refers to household incomes below the Federal poverty line; near poor/low, over the poverty line to just below 200 percent of the poverty line; middle, 200 percent to just below 400 percent of the poverty line; and high, 400 percent of the poverty line and over.

c Estimates by education are only available for persons age 18 or older.

DSU - Data do not meet the criteria for statistical reliability, data quality or confidentiality.

Key: AI/AN: American Indian or Alaska Native; NHOPI: Native Hawaiian or Other Pacific Islander.

Source: Substance Abuse and Mental Health Services Administration, Office of Applied Studies, National Survey on Drug Use and Health.